USA 55

Track USA 55 now!
10-day predictions
USA 55 is classified as:

• Military

NORAD ID: 20547
Int'l Code: 1990-028B
Perigee: 426.3 km
Apogee: 524.3 km
Inclination: 94.1 °
Period: 94.0 minutes
Semi major axis: 6846 km
RCS: 0.1768 m² (medium)
Launch date: April 5, 1990
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

Your satellite tracking list

SES 1 Track 1 satellite(s)

1 20547U 90028B   24139.33241265  .00009821  00000-0  28879-3 0  9999
2 20547  94.1082  78.0907 0071574 154.0967 206.3894 15.32554618884508

Source of the keplerian elements: AFSPC